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Specifications

Catalog #	H9110
Purity	99%
	Appearance: White to off-white crystalline powder
	pH: 5.0 to 6.5
	Specific Rotation (C=4, H2O): -74.0° to -77.0°
	Loss on Drying: 1%
	Residue on Ignition: 1%
	Ammonium: 0.02%
	Chloride: 0.02%
	Sulfate: 0.02%
	Arsenic: 0.001%
	Heavy Metals (Pb): 0.0025%
	Endotoxin: 2 Eu/mg
	Cell Culture Analysis: Murine Myeloma SP2/0-Ag14
CAS Number	51-35-4
Molecular Formula	C5H9NO3
Molecular Weight	131.13
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names	trans-4-Hydroxy-L-Proline; L-4-Hydroxy-pyrrolidinecarboxylic acid